Answer in brief
CVE-2026-68253 records a High severity (CVSS 7.8) vulnerability in drm/i915/hdcp: check streams[] bounds before overflow. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <84351f12390349ba010920fc247e1a0b12e41eb3 || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <2106fb490b2c6003e23ad6ff36ce823a2170e138 || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <3d2ef8d389495e7889c6062d8bddc46d2a5fbdef || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <984085c5b53572e2e03fd5fc4817e86ef1effc6e || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <bbb15a6b042d02e5508a02b4847e02d2579ee7bc | 84351f12390349ba010920fc247e1a0b12e41eb3, 2106fb490b2c6003e23ad6ff36ce823a2170e138, 3d2ef8d389495e7889c6062d8bddc46d2a5fbdef, 984085c5b53572e2e03fd5fc4817e86ef1effc6e, bbb15a6b042d02e5508a02b4847e02d2579ee7bc |
| Linux/Linuxgeneric | 5.12 | Not reported |
| Linux/Linuxgeneric | >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <336cf6d80d41457442b659e7ba7a7badc0ffe79d || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <389079bf04e6f0c6f10f5b879f6d7a9cf80f0567 || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <84351f12390349ba010920fc247e1a0b12e41eb3 || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <2106fb490b2c6003e23ad6ff36ce823a2170e138 || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <3d2ef8d389495e7889c6062d8bddc46d2a5fbdef || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <984085c5b53572e2e03fd5fc4817e86ef1effc6e || >=e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9 <bbb15a6b042d02e5508a02b4847e02d2579ee7bc | 336cf6d80d41457442b659e7ba7a7badc0ffe79d, 389079bf04e6f0c6f10f5b879f6d7a9cf80f0567, 84351f12390349ba010920fc247e1a0b12e41eb3, 2106fb490b2c6003e23ad6ff36ce823a2170e138, 3d2ef8d389495e7889c6062d8bddc46d2a5fbdef, 984085c5b53572e2e03fd5fc4817e86ef1effc6e, bbb15a6b042d02e5508a02b4847e02d2579ee7bc |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: check streams[] bounds before overflow The data->streams[] overflow check is done after the buffer overflow has already happened. Move the overflow check before the write. Side note, emitting a warning splat with a backtrace might be overkill here, but prefer not changing the behaviour other than not doing the overrun. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 9284ab3b6e776c315883ac2611283d263c9460fd)
Quoted source text, attributed separately from HOL analysis.